OFFSET
1,3
LINKS
H. Ibstedt, A Few Smarandache Integer Sequences, Smarandache Notions Journal, Vol. 8, No. 1-2-3, 1997, pp. 171-183.
MATHEMATICA
prod = 1; Table[prod = prod*Prime[n]; Length[IntegerDigits[prod + 1]], {n, 100}] (* T. D. Noe, May 05 2013 *)
IntegerLength/@(FoldList[Times, Prime[Range[70]]]+1) (* Harvey P. Dale, Nov 17 2020 *)
CROSSREFS
KEYWORD
nonn,base,less
AUTHOR
Charles T. Le (charlestle(AT)yahoo.com)
EXTENSIONS
Corrected and extended by Arkadiusz Wesolowski, May 04 2013
STATUS
approved